JPH08309045A - Replacement blade for thinning razor and thinning razor - Google Patents

Abstract

PURPOSE: To provide a replacement blade for a thinning razor which is so formed as to allow the use of unused blade edges as well and has excellent operability and a thinning razor. CONSTITUTION: The replacement blade 1 is used for the thinning razor. The replacement blade 1 is formed by holding a blade body 3 at a holding plate 2. The blade edge 5 arranged at an opening edge side 4 constituting the wave shape of the holding plate 2 is so formed as to be alternately repetitively formed with exposed parts A and non-exposed parts B. The replacement blade 1 is provided with a window part 6 formed at the holding plate 2 through the plate and a detaining part 7a for detaining the blade body 3 and sliding with the blade body 3 corresponding to the window part 6 in order to alternate the exposed parts A by sliding the blade edge 5 in a longitudinal direction.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a replacement blade for a combing razor and a combing razor for combing hair (hereinafter referred to as "combing"). In order to suppress the amount of combed hair, the cutting edge is arranged at the opening edge forming the corrugation of this sandwiching plate, and in the replacement blade in which the exposed portion and the non-exposed portion are alternately repeated, The present invention relates to a replacement blade of a razor for combing hair and a razor for combing hair, which is used without waste to maintain a sharpness for a long time.

[0002]

2. Description of the Related Art There is provided a replaceable blade type combing razor (FIG. 17) in which a replaceable blade as shown in FIG. 16 is inserted and held in order to comb an appropriate amount of hair. This replacement blade holds the blade body on the sandwiching plate, and is arranged at the opening edge of the sandwiching plate that forms the corrugation, and the cutting edge is covered by the ridges of the corrugation of the sandwiching plate, and depending on the valleys. It is exposed. Therefore, the exposed edge and the unexposed portion of the cutting edge are alternately repeated, so that the amount of combing hair is regulated, which is suitable for combing work. If the sharpness drops, the sharpness can be restored by simply removing the spare blade from the holder of the razor body and inserting a new spare blade into the holder.

[0003]

However, this spare blade uses only the exposed portion of the cutting edge, and the non-exposed portion covered with the ridges of the corrugation is disposable and unused. Therefore, it is an object of the present invention to provide a replacement blade for a hair combing razor and a hair combing razor that can use even this unused blade tip and that is also excellent in operability.

[0004]

[Means for Solving the Problems] Means for solving the above problems and achieving the object will be described by diverting the reference numerals used in the embodiments. The invention according to claim 1 is a replacement blade 1 for use in a razor 100 for combing a hair, in which a blade 3 is held by a holding plate 2, and the cutting edge is arranged on an opening edge 4 of the holding plate 2 which forms a waveform. 5 is a replacement blade 1 in which exposed portions A and non-exposed portions B are alternately repeated. In order to replace the exposed portion A by shifting the blade tip 5 in the longitudinal direction, a window portion transparently provided on the holding plate 2. 6, and the blades 3 corresponding to the windows 6 are provided with locking portions 7a, 7b, 7c for locking and sliding the blades 3 "(FIG. 1, FIG. 6, 8, 11).
The "locking portion" is a portion that can lock an instrument or tools and apply some external force. The "window" is transparently provided on the sandwich plate so that such an operation can be performed.

According to a second aspect of the present invention, in the means according to the first aspect, "the window portion 6 is the window portion 6 provided on the side plate portion 2a of the holding plate 2 and the locking portion is the blade body 3. It is the locking hole 7a provided in the side surface portion 3a "(see FIGS. 1 and 2).

The "locking hole" may be a bottomed hole or a through hole. The point is that a ball-point pen or other hand-shaped protrusion can be locked in this locking hole so that the blade can be slid as will be described later in the section of action. Further, this locking hole may be one or two or more. The “window portion” may be any one that can provide a space for moving the projection-shaped object locked in the locking hole when the blade body described later is slid. Further, this window portion may be provided only on one side plate portion of the sandwiching plate, or if the locking hole is a through hole, it may be provided as a pair on both side plate portions of the sandwiching plate.

According to a third aspect of the invention, in the means according to the first aspect, "the window portion is a cutout portion 6a provided at an end portion in the longitudinal direction of the sandwiching plate 2, and the locking portion is a cutout portion 6a. "It is the side end portion 7b of the blade body 3 corresponding to the above" (see FIGS. 6 and 8). The “notch portion” may be provided at one end or both ends of the end portion of the sandwich plate. The "side end" corresponds to "a notch provided in an end portion of the sandwiching plate in the longitudinal direction", and thus is an end portion in the blade longitudinal direction. Also, this side end may not have any particular shape, as shown in FIG. 6, or may be concave so that the tool can be easily inserted when pushing the side end with tools. It may be

According to a fourth aspect of the present invention, in the means according to the first aspect, "the window portion is the window portion 6 provided on the back plate portion 2b of the holding plate 2, and the locking portion is provided on the window portion 6. It is the locking groove 7c provided by notching in the ridge portion 3b of the corresponding blade body 3 "(see FIG. 11). It is preferable that the “window portion” has such a size that the locking groove is always exposed from the holding plate even when the blade is slid as described later.

The invention according to claim 5 is a hair combing razor 100 comprising a replacement blade 1 and a razor body 10 having a holder portion 11 for holding the replacement blade 1.
The replacement blade 1 is the replacement blade according to claim 2, and the holder portion 11 has the main body window portion 14 corresponding to the window portion 6 "(see FIGS. 1, 2, and 5).

The invention according to claim 6 is a hair combing razor 100 comprising a replacement blade 1 and a razor body 10 having a holder portion 11 for holding the replacement blade 1.
The replaceable blade 1 is the replaceable blade according to claim 3, and when the holder portion 11 inserts and holds the replaceable blade 1, the rear end 1 a of the replaceable blade 1 is at a position substantially flush with the insertion opening 16. The insertion bottom 17 has a depth such that the insertion bottom 17 can be inserted and stopped.
It has the extruded part 12 corresponding to (1) (see FIGS. 6 and 7).

The invention according to claim 7 is a hair combing razor 100 comprising a replacement blade 1 and a razor body 10 having a holder portion 11 for holding the replacement blade 1.
The replacement blade 1 is the replacement blade according to claim 3, and the holder part 11 is located at the tip of the holder part 11.
The insertion opening 16 of the main body has a notch 15 corresponding to the notch 6a.
With the holder portion 11 having the insertion bottom 17 having a depth such that the rear end 1a of the replacement blade 1 is inserted into the insertion opening 16 at a substantially flush position and is stopped when the replacement blade 1 is inserted and held. "There is something" as the gist (see Figures 8 and 9).

The invention according to claim 8 is a hair combing razor 100 comprising a replacement blade 1 and a razor body 10 having a holder portion 11 for holding the replacement blade 1.
The replacement blade 1 is the replacement blade according to claim 3,
Is a replaceable blade 1 having notches 6a, 6a at both ends thereof, and both ends of the holder portion 11 have main body notches 15, 15 corresponding to the notches 6a, 6a ". 10).

The invention according to claim 9 is a hair combing razor 100 comprising a replacement blade 1 and a razor main body 10 having a holder portion 11 for holding the replacement blade 1.
The replaceable blade 1 is the replaceable blade according to claim 4, and the back portion 18 of the holder portion 11 penetrates through a slide groove 20 that is transparently provided in the longitudinal direction of the back portion 18 and is locked in the locking groove 7c. At the same time, it is provided with a lever 19 that can slide in the slide groove 20 "(see FIGS. 11 to 14).

According to a tenth aspect of the present invention, there is provided a "replacement blade 1 for use in a razor for combing a hair, wherein a holding plate 2 holds a blade body 3, and the holding plate 2 is arranged at an opening edge 4 forming a corrugation. In the replaceable blade 1 in which the blade tip 5 alternately repeats the exposed portion A and the non-exposed portion B, the back plate portion of the holding plate 2 is slid in order to shift the blade tip 5 in the longitudinal direction and replace the exposed portion A. 2b, which is a cylindrical portion 2c composed of 2b, having a size into which a protrusion for inserting and pushing the blade 3 can be inserted "(see FIG. 15).

[0015]

As described above, according to the first aspect of the present invention, when various tools are locked to the locking portion of the blade and moved, the blade can slide with respect to the holding plate. At that time, if the sliding amount is set to a half length (L) of the waveform pitch (2L), the non-exposed portion of the cutting edge becomes a new exposed portion, and the cutting edge that has not been used until now can be used.

According to the second aspect of the present invention, in addition to the same effect as in the first aspect, if a projecting tool or the like is locked in the locking hole of the blade and moved, it slides with respect to the holding plate. It is possible to use cutting edges that have not been used until now.

According to the invention as set forth in claim 3, in addition to the same effect as in claim 1, the side end portion of the blade body exposed in the notch can be pushed, and therefore slides with respect to the sandwiching plate. It is possible to use a cutting edge that has not been used until now.

According to the invention as set forth in claim 4, in addition to the same effect as in claim 1, the notch groove of the blade exposed at the window can be engaged and moved. Therefore, with respect to the holding plate. Can be slid on, and the cutting edge that has not been used until now can be used.

According to the invention of claim 5, in addition to the same effect as in claim 2, the blade can be slid while the replacement blade is held in the holder.

According to the invention described in claim 6, in addition to the same effect as in claim 3, if both ends of the blade are replaced and reinserted in the holder, the blade body is inserted when the blade is inserted and held. It can be pushed by the extruding portion and slide with respect to the holding plate. Therefore, the blade can be slid while the replacement blade is held in the holder.

According to the invention described in claim 7, in addition to the same effect as in claim 3, when the notch portion of the replacement blade and the side end portion of the blade body are on the insertion opening side of the holder portion, the holder is attached to the holder. With the replacement blade still inserted, the blade body can be pushed from the notch and can slide with respect to the holding plate. Therefore, the blade can be slid while the replacement blade is held in the holder. Moreover, since the replacement blade is stopped at the insertion bottom, the replacement blade itself is fixed, and the clamping plate does not move due to being caught by the blade body.

According to the invention described in claim 8, in addition to the same effect as in claim 3, the blade body can be pushed from both the longitudinal direction while the replacement blade is still inserted in the holder, and the holding plate is held. Can be slid against. Therefore, the blade can be slid while the replacement blade is held in the holder.

According to the invention described in claim 9, in addition to the same effect as in claim 4, when the lever is slid along the slide groove, the lever is locked in the locking groove of the blade. Therefore, the blade slides together with the lever. Therefore, the blade can be slid while the replacement blade is held in the holder.

According to the tenth aspect of the present invention, since the projecting tool can be inserted into the cylindrical portion, the projecting tool can be inserted and the blade can be pushed and slid with respect to the holding plate. be able to. At that time, if the sliding amount is set to a half length (L) of the waveform pitch (2L), the non-exposed portion of the cutting edge becomes a new exposed portion, and the cutting edge that has not been used until now can be used.

[0025]

【Example】

(Embodiment 1) First, the hair combing razor according to claim 5 and the replacement blade according to claims 1 and 2 held by the hair combing razor will be described below. As shown in FIGS. 1 to 3, this replaceable blade comprises a sandwiching plate 2 formed by folding back a plate material, and a blade body 3 held by the sandwiching plate 2 and shorter than the sandwiching plate 2 by approximately L. It is 1. And only one side of the cutting edge 5 exposed from the sandwiching plate 2 has a uniform pitch (pitch width 2L).
The exposed portions A and the non-exposed portions B are alternately arranged at intervals L, which are arranged on the opening edge 4 forming the waveform. The side plate portion 2a of the holding plate 2 is provided with one window portion 6 having a length of approximately L in the direction of the opening edge 4 and the side portion 3a of the blade body 3 corresponding to the window portion 6 is penetrated. The stop hole 7a is provided close to one side of the window portion 6.

Further, the razor body 10 comprises a holder portion 11 for holding the spare blade 1 and a handle portion 13. As shown in FIG. 5, the holder portion 11 is located at a position corresponding to the window portion 6 It has a main body window portion 14 larger than the portion 6.
Then, when the sharpness of the spare blade is deteriorated, while the spare blade 1 is still inserted in the holder portion 11, the projection tool or the like is fitted into the locking hole through the main body window portion 14 and locked, and the blade body is moved. Then, as shown in FIG. 3, the locking hole 7a is slid to the opposite side of the window portion 6 by L.

As a result, the exposed portion A used up to now becomes a new non-exposed portion B, and the unused non-exposed portion B becomes a new exposed portion A. By doing this, the sharpness is restored,
The life of the blade is doubled.

As shown in FIG. 4, of course, the spare blade 1 can be held and used in the holder portion 11 of the conventional hair combing razor 100, as a matter of course. . Further, it is convenient if a part of the razor body 10 is provided with a protrusion that can be locked in the locking hole 7a.

(Embodiment 2) Next, a replacement blade according to claim 3 and a razor 100 for combing hair according to claim 6 will be described below.
The razor 100 for combing hair has a spare blade 1 and a razor body 10
It consists of and. First, although the replaceable blade 1 has the same outline as that of the replaceable blade of the first embodiment, as shown in FIG. 6, notch portions 6a, 6a having a depth of approximately L are provided at both ends of the holding plate 2. Also,
The razor body 10 comprises a holder portion 11 for holding the spare blade 1 and a handle portion, and as shown in FIG.
The insertion bottom 17 on the inner side of 1 is provided with the pushing portion 12 corresponding to the cutout portion 6a.

When using this razor 100 for combing hair,
First, the replacement blade 1 is inserted and held. Then, regardless of which of the sandwiching plates 2 the blade body 3 is near, the push-out portion 12 is pushed into the notch portion 6a, so that the blade body 2 is aligned with the tip of the holder portion 11. When the sharpness deteriorates, replace both ends of the blade 1 and insert it again. By doing this, the pushing portion 12 is formed in the notch portion 6a.
Is pushed in, the blade 3 approaches the tip of the holder 11. As a result, the exposed portion A that has been used up to now becomes a new non-exposed portion B, and the unused non-exposed portion B becomes a new exposed portion A. The cutout portion 6a and the push-out portion 12 are not limited to the above shapes, and may have any shape.

(Embodiment 3) Next, the replacement blade according to claim 3 and the razor 100 for combing hair according to claim 7 will be described below.
The razor 100 for combing hair has a spare blade 1 and a razor body 10
And most of them are the same as in the second embodiment, so only the differences will be described. First, although the replaceable blade 1 has the same outline as the replaceable blade of the first embodiment, as shown in FIG. 5, a notch 6a having a depth of approximately L is provided at one end of the holding plate 2. In addition, FIG.
As shown in FIG. 2, the razor body 10 has a rear end 1a of the replacement blade 1 which is inserted into the insertion opening 16 when the replacement blade 1 is inserted into the insertion opening 16 of the replacement blade located at the tip of the holder 11. It has a screw-insertion bottom at a depth where it can be inserted and stopped at a substantially flush position.

When using the razor 100 for combing hair, first, the cutout portion 6a of the replacement blade 1 and the side end portion 7b of the blade body 3 are first of all used.
However, it is used in the positional relationship shown in FIG. 9 in a state of being brought close to the insertion opening 16 side of the holder portion 11. When the sharpness is reduced, the blade body 3 can be pushed inward from the insertion opening 16 through the cutout portion 6a and the main body cutout portion 15 and can slide with respect to the holding plate 2. Moreover, since the replacement blade 1 is fixed to the insertion bottom 17, the replacement blade 1 itself is fixed, and the sandwiching plate 2 is not moved by being caught by the blade body 3. As a result, the exposed portion A that has been used up to now becomes a new non-exposed portion B, and the unused non-exposed portion B becomes a new exposed portion A.

In Examples 2 and 3, when inserting the spare blade 1, hold the handle with one hand and press the end of the spare blade protruding from the insertion port against a desk or a chair near you. If
It's easier. Further, the insertion bottom is not limited to screws, but may be realized in any way, and the handle bottom made of plastic or the like may be bulged to form the insertion bottom.

(Embodiment 4) Next, a replacement blade according to claim 3 and a hair combing razor 100 according to claim 8 will be described below.
Since most of the hair combing razor 100 is the same as that of the second embodiment, only different points will be described. First, as shown in FIG. 10, the replaceable blade 1 has a cutout portion 6 similar to that of the second embodiment.
a and 6a are at both ends. Further, the razor main body 10 has main body cutouts 15, 15 corresponding to the cutouts 6a, 6a at both ends of the holder portion. Then, when sliding the blade body, it is possible to operate by pushing the side end portion 7b over the body notch portions 15, 15 at both ends.

(Embodiment 5) Next, a replacement blade according to claim 4 and a hair combing razor 100 according to claim 8 will be described below.
Most of this embodiment is also the same as the embodiment described above,
The differences will be mainly described.

As shown in FIG. 11, the replaceable blade 1 has a window portion 6 in which the back plate portion 2b of the holding plate 2 is cut out.
The crest portion 3b of the blade body 3 exposed from there is also a notched locking groove 7c. Also, as shown in FIG. 12, the holder portion 11 is formed on the back portion 18 near the handle portion 13 and this back portion. It has a slide groove 20 which is transparently provided in the longitudinal direction of 18. Then, the plastic lever 19 is attached to the slide groove 2
It is penetrated to 0.

This lever 19 is, as shown in FIG.
It is composed of a head portion 19a, a leg portion 19b, and a slip-out prevention portion 19c,
As shown in FIG. 14, the legs 19b longer than the depth of the slide groove 20 can be moved up and down. Further, it can slide back and forth in the slide groove 20. As a result, when the replacement blade 1 is replaced, it can be replaced without being caught by raising the lever 19. Further, the lever 19 can be locked in the locking groove 7c of the blade body 3 by sliding back and forth and moving up and down.

The operation of the razor 100 for combing hair is as follows. First, the lever 19 is raised and the replacement blade 1 is inserted into the holder portion 11 and held therein. Next, lever 19
Is slid to a position where it is locked in the locking groove 7c, and this is lowered so that the slip-out preventing portion 19c is housed in the slide groove. In this state, the hair combing razor 100 is used. The blade 3 can be slid by operating the lever 19 for sliding.

(Embodiment 6) This embodiment is a replaceable blade 1 corresponding to claim 10, and as shown in FIG. 15, the back plate portion 2b of the holding plate 2 can be inserted with a projection tool or the like. It is a cylindrical portion 2c having a size. Therefore, the blade body 3 can be slid by pushing the protrusion part of the protrusion tool near here.

In any of the above embodiments, "front, back" or "A, B" is provided on both sides of the holding plate in the longitudinal direction so that it is easy to determine whether the blade body is sliding before or after sliding. Characters such as
If symbols and patterns are shown, it is convenient to know the state of each blade before and after sliding. In addition, the replacement blade is often sold separately as a case containing 10 pieces, but it is even more convenient if such a case is provided with a protruding part that is easy to engage with the engaging part of the blade body. is there.

[0041]

As described above, according to the first aspect of the invention, the portion which has not been used as the non-exposed portion of the cutting edge in the past becomes a new exposed portion. In other words, the cutting edge that has not been used until now can be used, and the life of the replacement blade is extended.

According to the second to fourth aspects of the invention, the blade can be slid by various methods, and the user can make a wide selection. Specifically, you can move a protruding tool etc. by locking it in the locking hole of the blade, and you can press the side edge of the blade exposed in the notch, and further Can be moved by locking the notch groove of the blade exposed in the window with a lever, and in any case, the blade can easily slide with respect to the holding plate. The cutting edge that has not been used can be used.

According to the invention described in claims 5 to 9, the blade can be slid while the replacement blade is inserted in the holder portion or by utilizing the holder portion, so that the user can make a wide selection. .

Specifically, it is as follows. According to the invention of claim 5, the blade can be slid while the replacement blade is inserted in the holder. However, since the holder is larger than the replacement blade itself, it is easy to grasp and the sliding operation is easy. . According to the invention of claim 6, by replacing both ends of the replacement blade and reinserting it in the holder part, according to the invention of claim 7, the replacement blade is inserted into the holding plate in the holding plate. It can slide against. In particular, when inserting the spare blade, it is easier to grasp the handle portion with one hand and press the end portion of the spare blade protruding from the insertion opening against a desk or a chair at hand. According to the invention described in claim 8, the blade body can be pushed from both the longitudinal direction and slid with respect to the sandwiching plate while the replacement blade is still inserted in the holder. According to the ninth aspect of the invention, by sliding the lever, the sliding operation of the body can be performed with the replacement blade inserted in the holder. In particular, if the lever is provided near the handle, the lever can be operated by the hand holding the hair combing razor.

According to the tenth aspect of the invention, since the projecting tool can be inserted into the cylindrical portion, the projecting tool can be inserted to push the blade, and the blade can be slid with respect to the holding plate. it can.

That is, as described above, it is possible to use an unused blade tip portion which was conventionally disposable, and the life of the spare blade is doubled. Further, the operation of exchanging the exposed portion and the non-exposed portion, which is performed by sliding the blade edge, is easy and excellent in operability.

[Brief description of drawings]

FIG. 1 is a perspective view of a replacement blade according to a first embodiment.

FIG. 2 is an exploded perspective view of the replacement blade of the first embodiment.

[Fig. 3] Fig. 3 is a front view of the replacement blade of Example 1 before sliding of a blade body.
It is a front view after sliding.

FIG. 4 is a perspective view showing how the replacement blade of the first embodiment is inserted into a conventional razor body.

FIG. 5 is a perspective view showing how the replacement blade of the first embodiment is inserted into the razor body of the first embodiment.

FIG. 6 is a front view of the replacement blade according to the second embodiment before the blade slides.
It is a front view after sliding.

FIG. 7 is a diagram showing a manner in which a blade of the razor for combing hair according to Example 2 is slid at the same time when a replacement blade is inserted.

FIG. 8 is a front view of a replacement blade according to a third embodiment.

FIG. 9 is an exploded perspective view of a notch part of the hair combing razor shown in Embodiment 3;

FIG. 10 is an exploded perspective view of a razor for combing hair according to a fourth embodiment.

FIG. 11 is a front view of a replacement blade according to a fifth embodiment.

FIG. 12 is a perspective view of the razor for combing hair according to the fifth embodiment.

FIG. 13 is a diagram showing a state of lever operation of the hair combing razor according to the fifth embodiment.

FIG. 14 is a diagram showing a state of lever operation of the hair combing razor according to the fifth embodiment with the holding plate omitted.

FIG. 15 is a perspective view of a replacement blade according to a sixth embodiment.

FIG. 16 is a perspective view of a replacement blade of a conventional hair combing razor.

FIG. 17 is a perspective view of the hair combing razor having the spare blade shown in FIG. 16 inserted therein.

[Explanation of symbols]

 100 Hair combing razor 1 Spare blade 2 Clamping plate 2a Side plate 2b Back plate 2c Tube part 3 Blade 3a Side part 3b Peak 4 Open edge 5 Blade tip 6 Window 6a Notch as window 7a As a locking part Locking hole 7b Side end 7c as locking part 7c Locking groove as locking part A Exposed part B Non-exposed part 10 Razor body 11 Holder part 12 Extruded part 13 Handle part 14 Body window part 15 Body notch part 16 Insertion port 17 Insertion bottom 18 Back part 19 Lever 20 Slide groove

Claims (10)

[Claims] 1. A replacement blade for use in a razor for combing hair, comprising:
The blade is held by the sandwiching plate, and the blade edge arranged at the opening edge forming the corrugation of the sandwiching plate is a replaceable blade in which exposed portions and non-exposed portions are alternately repeated, and the blade edge is slid in the longitudinal direction. In order to replace the exposed part, the window part that is transparently provided on the holding plate, and the blade part corresponding to this window part is provided with a locking part for locking and sliding the blade part. A special blade for razors for combing hair. 2. The window portion is a window portion provided on a side plate portion of the holding plate, and the locking portion is a locking hole provided on a side surface portion of the blade body. Item 1. A replacement blade for a razor for combing hair according to item 1. 3. The window portion is a cutout portion provided at an end portion in the longitudinal direction of the holding plate, and the locking portion is a side end portion of the blade body corresponding to the cutout portion. The blade for replacing a razor for combing hair according to claim 1. 4. The window portion is a window portion provided on a back plate portion of the holding plate, and the locking portion is on a ridge portion of the blade body corresponding to the window portion,
The replacement blade for a razor for combing hair according to claim 1, wherein the blade is a notch provided with a locking groove. 5. A razor for combing a hair, which comprises a replacement blade and a razor body having a holder for holding the replacement blade, wherein the replacement blade is the replacement blade according to claim 2. A razor for combing hair, wherein the holder part has a main body window part corresponding to the window part. 6. A razor for combing a hair, which comprises a replacement blade and a razor body having a holder for holding the replacement blade, wherein the replacement blade is the replacement blade according to claim 3. The holder portion has an insertion bottom having a depth such that the rear end of the replacement blade is inserted into the insertion opening and stopped at a substantially flush position when the replacement blade is inserted and held. A razor for combing a hair, having an extruded portion corresponding to the cutout portion. 7. A razor for combing a hair, comprising a replacement blade and a razor main body provided with a holder for holding the replacement blade, wherein the replacement blade is the replacement blade according to claim 3. The holder part has a main body cutout corresponding to the cutout at the insertion opening of the replacement blade located at the tip of the holder part, and when the replacement blade is inserted and held, A razor for combing hair, characterized in that the rear end is a holder portion having an insertion bottom having a depth such that it can be inserted into the insertion opening at a substantially flush position and stopped. 8. A razor for combing a hair, which comprises a replacement blade and a razor body having a holder for holding the replacement blade, wherein the replacement blade is the replacement blade according to claim 3. A replaceable blade having cutouts at both ends of the replaceable blade, wherein both ends of the holder portion have main body cutouts corresponding to the cutouts. 9. A razor for combing a hair, which comprises a replacement blade and a razor body having a holder for holding the replacement blade, wherein the replacement blade is the replacement blade according to claim 4. The holder is provided with a lever at the back part, which is capable of penetrating a slide groove formed in the longitudinal direction of the back part to be locked in the locking groove and sliding in the slide groove. A razor for combing hair. 10. A replacement blade for use in a razor for combing hair, wherein a blade is held by a holding plate, and a cutting edge arranged at an opening edge forming a corrugation of the holding plate alternates between an exposed portion and a non-exposed portion. In the replacement blade which is repeated in order to shift the blade edge in the longitudinal direction and replace the exposed portion thereof, a cylindrical portion formed by the back plate portion of the holding plate, for pushing and sliding the blade body. A razor replacement blade for combing hair, which is characterized by having a cylindrical portion into which a protrusion can be inserted.